Stromatolites in the Nevada Desert
![Image of rounded rocks called stromatolites](https://science.nasa.gov/wp-content/uploads/2024/03/24953_PIA23779-16.jpg?w=4096&format=jpeg)
May 6, 2020
Credit | NASA/JPL-Caltech |
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Made from fossilized microbes and sediment, these rounded rocks are stromatolites that were found in a dry lakebed during the field exercise. Scientists hope to find something similar in the dry lakebed Perseverance will be exploring on Mars.